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Title:
POLYAMIC ACID COMPOSITION, METHOD FOR PREPARING SAME, AND POLYIMIDE FILM COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2021/060612
Kind Code:
A1
Abstract:
The present invention relates to a polyamic acid composition and a polyimide comprising same, wherein the polyamic acid composition has a high concentration of solids and a low viscosity, and once cured, exhibits excellent mechanical properties, heat resistance at high temperature, and durability.

Inventors:
HWANG IN HWAN (KR)
LEE IK SANG (KR)
Application Number:
PCT/KR2019/015401
Publication Date:
April 01, 2021
Filing Date:
November 13, 2019
Export Citation:
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Assignee:
PI ADVANCED MAT CO LTD (KR)
International Classes:
C08L79/08; C08G73/10; C08G73/14; C08J5/18
Foreign References:
US7579134B22009-08-25
US20050238896A12005-10-27
KR101959807B12019-03-20
KR20160125377A2016-10-31
KR20110079810A2011-07-08
Attorney, Agent or Firm:
DANA PATENT LAW FIRM (KR)
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